# media
image/*; xdg-open %s;
video/*; xdg-open %s
audio/*; xdg-open %s

# document
application/pdf; xdg-open %s ;

# text
text/html; w3m -I %{charset} -T text/html; copiousoutput;
text/plain; less -R "%s" 
text/*; less -R "%s" 

# fallback to vim
text/*; nvim "%s"
